import { mapGetters } from 'vuex'

export default{
	computed:{
		...mapGetters('m_cart',['total'])
	},
	onShow() {
		this.setBadge()
	},
	watch:{
		total(){
			this.setBadge()
		}
	},
	methods:{
		setBadge(){
			if(this.total==0){
				uni.removeTabBarBadge({
					index:2
				})
			}else{
				uni.setTabBarBadge({
					index:2,
					text:this.total+''
				})
			}
			
		}
	}
}